- The fact that such global food production giants are turning to insects illustrates the lengths they will go to find alternative sources of protein that are profitable and sustainable as animal feed or additives to human food. Bugs are just one many alternatives being studied or developed by major agricultural firms. Others include peas, canola, algae, and bacterial proteins.
Global population growth and an expanding middle class have raised per capita meat consumption by 50 percent over the past four decades, fueling fears of a protein pinch. Traditional sources of the key micronutrient are growing increasingly unreliable amid a changing global climate and worries about the environmental impacts of row-crop farms and commercial fishing.